AudioControl Four.1i In-Dash Equalizer Line Driver

If your performance car audio system is designed for maximum sound   quality and maximum control, then the FOUR.1i is the car audio processor for   you. Designed to be the world’s first professional quality in-dash equalizer,   the FOUR.1i bodes such features as 13 volt signal capabilities, a master volume   control, and auxiliary inputs for secondary sources. In addition, five   equalization controls give just the right amount of control for the user. 

AudioControls line of in-dash car processors offer features and functions that   allow you to adjust and tweak your performance car audio system from the   convenience of the driver seat. Included are features like equalization,   electronic crossovers, master volume control, high voltage line drivers, and   speaker level inputs.

• » 5 Band Stereo Graphic Equalizer
• » Para-Bass Subwoofer Equalization
• » Auxiliary Input
• » Master Volume Control
• » Front / Rear Fader
• » Balanced Differential Inputs and Outputs for Maximum Noise Rejection
• » High Headroom PWM Switching Power Supply
• » Switchable Backlight Illumination Colour
• » (Green or Amber)
• » 13 Volt Peak Line Driver
• » » Warranty: 3 year national cover